Word.ws English Dictionary

3d

3d is the abbreviation of three-dimensional.

3d is the obsolete form of 3rd.

Meaning of three-dimensional

Adjective

three-dimensional (not generally comparable, comparative more three-dimensional, superlative most three-dimensional)

  1. (not comparable, usually) Existing in three dimensions.
  2. (comparable, idiomatic, not comparable, usually) Having depth, or the illusion of depth, as well as height and width.
  3. (comparable, idiomatic, not comparable, usually) Lifelike.
    • A good novel needs three-dimensional characters.

Noun (1)

3d

  1. thruppence, threepence, a coin valuing three pennies

Adjective capitalized: 3D

3D (not comparable)

  1. (abbreviation) Abbreviation of three-dimensional.
    • And this is where the larger problem lies: when states try to enforce impossible bans, everyone loses. 3D printing farragoes have all the hallmarks of the absolute worst kind of ineffectual ban: one which encourages overly draconian laws that carry huge side effects, and that ultimately to have...2013 May 10, James Ball, “US government attempts to stifle 3D-printer gun designs will ultimately fail”, in The Guardian
    • Listings with a 3D tour also garnered more interest, drawing 66% more visitors and 90% more saves in April than those without.2020 June 26, Anna Bahney, “These people bought homes without ever stepping inside”, in CNN Business
  2. (slang) In real life, as opposed to in an anime.

Noun (2) capitalized: 3D

3D (plural 3Ds)

  1. A system capable of recording or displaying three-dimensional video.
    • No, the slightest imbalance there would have alarms flashing all over the room. Probably it was the fact that he knew the threedee was a little out of whack.1969, Dave Van Arnam, Starmind, New York, N.Y.: Ballantine Books, page 14
    Synonyms:
    tri-V
  2. A three-dimensional video.
    • A man Ellaby's own size was sitting there, viewing a 3D. When he heard Ellaby at the door he got up.1955 January, Martin Lesser, “The Dictator”, in Imagination, volume 6, number 1, page 85
    Synonyms:
    trideo, tridim

Synonyms of 3d

Forms of 3d

Adjective
alternative form3-D
alternative form3 D
alternative formthree-D
alternative formthree-dee
alternative formthreedee
Noun
plural3Ds

Words formed from 3d

Phrases with 3d

3 more phrasesFewer phrases

Questions about 3d

What does 3d mean?
3d means thruppence, threepence, a coin valuing three pennies.
What is 3d the abbreviation of?
3d is the abbreviation of three-dimensional.
What part of speech is 3d?
3d can be a noun or an adjective.
What is the plural of 3d?
The plural of 3d is 3Ds.

Words near 3d in the dictionary

  1. 39th
  2. 3arabizi
  3. 3B
  4. 3Bs
  5. 3C syndrome
  6. 3d
  7. 3D chess
  8. 3d Cir.
  9. 3D IC
  10. 3D ICs
  11. 3D job

Source and license

Adapted from Wiktionary: 3d (page history and authors); 3D (page history and authors); three-dimensional (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “3d.” Word.ws, https://word.ws/3d. Based on Wiktionary, CC BY-SA 4.0.